#include<bits/stdc++.h>

using namespace std;

void f(int x) {//pass by value
    cout << "In function f &x=" << &x << endl;
    x++;
}

int main() {
    int x = 3;
    cout << "In function main &x=" << &x << endl;
    f(x);
    cout << x;


    return 0;
}
